Year	Dollars
1992-01-01	146159122
1997-01-01	258399953
2002-01-01	264948070
2003-01-01	255998795
2004-01-01	245744931
2005-01-01	214751013
2006-01-01	210211154
2007-01-01	168126840
2008-01-01	191586024
2009-01-01	91909556
2010-01-01	118237555
2011-01-01	139635079
2012-01-01	152738926
2013-01-01	147887363
2014-01-01	141624513
2015-01-01	131156309
2016-01-01	137120029